Partially Controlled Components: A Declarative Design Pattern in React

2023/08/02

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The article discusses the concept of partially controlled components in React, which is a design pattern that allows developers to have more flexibility and control over complex components. The author starts by explaining the difference between controlled and uncontrolled components and highlights the need for a middle ground. They then provide examples of component libraries that showcase the two approaches: imperative control and declarative control. The article also mentions the inspiration for partially controlled components from the API of React's element. Finally, the author proposes a new API for partially controlled components using their react-arborist tree view component as an example. This design pattern allows developers to have partial control over specific aspects of a component while still benefiting from the declarative nature of React. It offers more flexibility and simplicity in managing complex component states. This article is a must-read for React developers looking to enhance their component design and control options.